@font-face{font-family:Download Sans;src:url('/download-assets/download-sans.ttf') format('truetype');font-weight:100 900;font-display:swap}
:root{color-scheme:dark;--ground:#081521;--surface:#102231;--ink:#f0f7fc;--secondary:#b2c9d9;--accent:#8be3ef;--button-ink:#08212e;font:16px/1.6 'Download Sans','Microsoft YaHei',sans-serif;background:var(--ground);color:var(--ink);scroll-behavior:smooth;scrollbar-color:#4d7085 var(--ground);scroll-padding-top:32px}
*{box-sizing:border-box}
body{margin:0}
a{color:inherit;text-decoration:none;text-underline-offset:5px}
button,input{font:inherit}
a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:6px}
::selection{background:var(--accent);color:var(--button-ink)}
.wrap{width:min(1120px,calc(100% - 64px));margin-inline:auto}
.icon{width:22px;height:22px;flex-shrink:0;vertical-align:middle}
.site-header{height:84px;display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;z-index:1}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:700;white-space:nowrap}
.brand img{object-fit:contain}
.brand-english{font-size:14px;font-weight:400;color:var(--secondary);margin-left:5px}
nav{display:flex;gap:32px;align-items:center;font-size:14px}
nav a{display:inline-flex;align-items:center;gap:8px;min-height:44px}
nav a:hover,.explore-link:hover,.credits a:hover{color:var(--accent)}
nav .icon{width:16px;height:16px}
.hero{position:relative;isolation:isolate;text-align:center;padding:24px 0 44px}
.hero-background{position:absolute;z-index:-1;inset:-84px 0 0;background:#0b2130 url('/download-assets/abyss.jpg') center top/cover no-repeat}
.hero-background::after{content:"";position:absolute;inset:0;background:rgb(3 14 25 / 38%)}
h1,h2,h3,p,figure{margin:0}
h1{font-size:clamp(36px,4.3vw,58px);font-weight:650;line-height:1.2;letter-spacing:-.03em;text-wrap:balance}
.description{font-size:18px;color:#d0e3ef;margin-top:14px}
.preview{width:min(860px,calc(100% - 64px));margin:30px auto 0}
/* The middle player card is centered at (524, 336) in the 1000 × 620 room capture. */
.comparison{position:relative;aspect-ratio:50/31;background:var(--ground);overflow:hidden;--split:52.4%;user-select:none;touch-action:pan-y}
.preview-image{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:contain;pointer-events:none}
.preview-light{clip-path:inset(0 calc(100% - var(--split)) 0 0)}
.comparison-divider{position:absolute;inset-block:0;left:var(--split);width:2px;transform:translateX(-50%);background:#a3eefa;pointer-events:none}
.comparison-grip{position:absolute;top:54.193548%;left:50%;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:#a3eefa;color:#08212e}
.comparison-input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;touch-action:pan-y}
.comparison:has(.comparison-input:focus-visible){outline:3px solid var(--accent);outline-offset:6px}
.comparison.is-resetting .preview-light{transition:clip-path 420ms cubic-bezier(.16,1,.3,1)}
.comparison.is-resetting .comparison-divider{transition:left 420ms cubic-bezier(.16,1,.3,1)}
.preview figcaption{display:flex;justify-content:space-between;gap:16px;margin-top:12px;color:#c6dce9;font-size:13px;text-align:left}
.download-area{margin-top:26px;scroll-margin-top:36px}
.download-actions{display:flex;align-items:center;justify-content:center;gap:14px}
.button{min-height:52px;display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:12px 25px;font-size:16px;font-weight:600;border-radius:4px;white-space:nowrap;transition:background-color 150ms,color 150ms}
.download-button{background:var(--accent);color:var(--button-ink)}
.download-button:hover{background:#b4f1f7}
.changelog-button{background:#1b384c;color:var(--ink)}
.changelog-button:hover{background:#2b4d63}
.unavailable{background:#294759;color:#c8dbe6;cursor:default}
.file-meta{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-top:16px;color:#d0e3ef;font-size:13px;font-variant-numeric:tabular-nums}
.install-hint{margin-top:4px;color:#b2cbdc;font-size:13px}
.explore-link{display:inline-flex;align-items:center;gap:12px;margin-top:32px;color:#d0e3ef;font-size:13px}
.explore-link .icon{width:16px;height:16px}
.features{padding-block:112px 120px}
h2{font-size:clamp(28px,3vw,40px);line-height:1.3;letter-spacing:-.02em;font-weight:600;text-wrap:balance}
.feature-lead>p{margin-top:14px;color:var(--secondary)}
.feature-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:64px;align-items:center;margin-top:52px}
.overlay-preview img{display:block;width:100%;height:auto}
.overlay-preview figcaption{font-size:13px;color:var(--secondary);margin-top:18px}
.feature-copy{display:grid;gap:30px}
.toolbox-showcase{grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);margin-top:72px}
.toolbox-showcase .feature-copy{display:block}
.toolbox-preview img{display:block;width:100%;height:auto}
.toolbox-preview figcaption{font-size:13px;color:var(--secondary);margin-top:14px}
h3{font-size:20px;line-height:1.4;font-weight:600}
h3 strong{font-weight:inherit;color:var(--accent)}
.feature-copy p{color:var(--secondary);margin-top:8px;max-width:34ch}
.release-section{background:var(--surface);padding-block:80px}
.release-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:80px;align-items:start}
.release-title>p{margin-top:24px;color:var(--secondary);font-size:14px}
.release-title>p>span{color:var(--accent);margin-left:12px}
.details{min-width:0}
.published{font-size:13px;color:var(--secondary);font-variant-numeric:tabular-nums;margin-bottom:20px}
.details h3{margin-bottom:16px}
.notes{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.9}
.checksum{margin-top:30px;background:#193245;padding:18px 20px;font-size:13px;color:var(--secondary)}
summary{cursor:pointer;color:var(--ink)}
summary span{margin-left:10px;color:var(--secondary)}
code{display:block;font:13px/1.8 ui-monospace,Consolas,monospace;color:var(--accent);overflow-wrap:anywhere;margin-block:16px 10px}
.site-footer{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:24px;padding-block:36px;font-size:14px}
.site-footer>p{color:var(--secondary)}
.credits{font-size:13px}
.credits a{text-decoration:underline}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip-link{position:absolute;left:20px;top:-80px;z-index:5;background:var(--accent);color:var(--button-ink);padding:12px 18px}
.skip-link:focus{top:16px}
@media(min-width:1600px){.preview{width:960px}}
@media(max-width:800px){.wrap{width:calc(100% - 40px)}.site-header{height:72px}nav{gap:20px}.hero{padding-top:26px}.hero-background{top:-72px}.preview{width:calc(100% - 40px)}.feature-layout{gap:32px;grid-template-columns:1fr}.features{padding-block:72px}.feature-copy{gap:24px}.feature-copy p{font-size:14px}.release-layout{gap:36px}.release-section{padding-block:60px}.site-footer .brand-english{display:none}}
@media(max-width:520px){.brand-english{display:none}.brand{font-size:18px}.brand img{width:30px;height:30px}nav{font-size:13px;gap:18px}nav .icon{display:none}.hero{padding-top:20px}h1{font-size:34px}.description{font-size:15px;margin-top:12px}.preview{width:calc(100% - 32px);margin-top:24px}.comparison-grip{width:36px;height:36px}.preview figcaption{font-size:12px;gap:8px;flex-direction:column;text-align:center}.drag-hint{color:#c6dce9}.download-area{margin-top:24px}.download-actions{gap:10px}.button{padding-inline:17px;gap:8px;font-size:14px;min-height:50px}.button .icon{width:19px;height:19px}.file-meta{gap:12px;font-size:12px}.install-hint{font-size:12px;margin-top:8px}.explore-link{margin-top:26px}.features{padding-block:64px}.feature-lead>p{font-size:14px}.feature-layout{margin-top:30px}.feature-copy{grid-template-columns:1fr;gap:28px}.feature-copy p{max-width:36ch;font-size:16px}h3{font-size:20px}.release-layout{grid-template-columns:1fr;gap:30px}.release-section{padding-block:48px}.release-title h2 br{display:none}.release-title>p{margin-top:14px}.site-footer{gap:16px;padding-block:28px}.credits{flex-basis:100%}}
@media(max-width:360px){.download-actions{flex-direction:column;align-items:stretch}.button{width:100%}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}.button,.comparison.is-resetting .preview-light,.comparison.is-resetting .comparison-divider{transition:none}}